diazo colours

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• ice colours — plural noun (chem) Dyestuffs produced on cotton fibre by a solution of diazo salt cooled with ice interacting with a second component • • • Main Entry: ↑ice …   Useful english dictionary

• dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… …   Universalium

• photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …   Universalium

• Tattoo ink — Tattoo inks are pigments used in tattooing. Tattoo inks consist of a pigment and a carrier (see below).Tattoo inks are available in a range of colours which can then be thinned or mixed together to produce other colours and shades. Most… …   Wikipedia

• Colour Index International — is a reference database jointly maintained by the Society of Dyers and Colourists and the American Association of Textile Chemists and Colorists. It was first printed in 1925 but is now published exclusively on the web. The index serves as a… …   Wikipedia

• diazonium salt — Chem. any of a group of salts of the general formula ArN2X, in which Ar represents an aryl group and X an anion, as benzenediazonium chloride, C6H5N(N)Cl, many of which are important intermediates in the manufacture of azo dyes. [1905 10] * * * ▪ …   Universalium

• stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… …   Medical dictionary